divert(-1)
define(rq, `spearl requires $1 $2')
define(rq_header, `rq(`header', $1)')
define(rq_libcfn, `rq(libc-function, $1)')
divert(0)dnl
rq(`compiler', `gcc')
rq_header(`errno.h')
rq_libcfn(`realloc')
rq_libcfn(`malloc')
rq_libcfn(`strlen')
rq_libcfn(`strcat')
rq_libcfn(`strcmp')
rq_libcfn(`strncmp')
rq_libcfn(`abort')
rq_libcfn(`perror')
rq_libcfn(`isspace')
rq_libcfn(`offsetof')
